Maxim Patlasov e251f9bca9 ext4: avoid exposure of stale data in ext4_punch_hole() ... While handling punch-hole fallocate, it's useless to truncate page cache before removing the range from extent tree (or block map in indirect case) because page cache can be re-populated (by read-ahead or read(2) or mmap-ed read) immediately after truncating page cache, but before updating extent tree (or block map). In that case the user will see stale data even after fallocate is completed. Until the problem of data corruption resulting from pages backed by already freed blocks is fully resolved, the simple thing we can do now is to add another truncation of pagecache after punch hole is done. Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reviewed-by: Jan Kara <jack@suse.cz>		2014-02-20 16:58:05 -05:00
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acl.c	ext2/3/4: use generic posix ACL infrastructure	2014-01-25 23:58:19 -05:00
acl.h	ext2/3/4: use generic posix ACL infrastructure	2014-01-25 23:58:19 -05:00
balloc.c	ext4: don't count free clusters from a corrupt block group	2013-10-31 11:46:31 -04:00
bitmap.c	ext4: Checksum the block bitmap properly with bigalloc enabled	2012-10-22 00:34:32 -04:00
block_validity.c	fs/ext4: use rbtree postorder iteration helper instead of opencoding	2014-01-23 16:37:03 -08:00
dir.c	fs/ext4: use rbtree postorder iteration helper instead of opencoding	2014-01-23 16:37:03 -08:00
ext4_extents.h	ext4: isolate ext4_extents.h file	2013-08-28 14:47:06 -04:00
ext4_jbd2.c	ext4: call ext4_error_inode() if jbd2_journal_dirty_metadata() fails	2013-12-02 09:31:36 -05:00
ext4_jbd2.h	ext4: Fix misspellings using 'codespell' tool	2013-08-28 14:40:12 -04:00
ext4.h	ext4: don't leave i_crtime.tv_sec uninitialized	2014-02-16 19:29:32 -05:00
extents_status.c	ext4: silence warnings in extent status tree debugging code	2014-02-20 16:09:12 -05:00
extents_status.h	ext4: add ext4_es_store_pblock_status()	2014-02-19 20:15:15 -05:00
extents.c	ext4: fix error return from ext4_ext_handle_uninitialized_extents()	2014-02-19 18:52:39 -05:00
file.c	fix O_SYNC|O_APPEND syncing the wrong range on write()	2014-02-09 15:18:09 -05:00
fsync.c	ext4: Fix fsync error handling after filesystem abort	2013-06-12 22:38:04 -04:00
hash.c	ext4: reduce one "if" comparison in ext4_dirhash()	2013-02-01 22:33:21 -05:00
ialloc.c	ext4: use prandom_u32() instead of get_random_bytes()	2013-11-08 00:14:53 -05:00
indirect.c	ext4: isolate ext4_extents.h file	2013-08-28 14:47:06 -04:00
inline.c	ext4: delete "set but not used" variables	2014-01-11 13:26:56 -05:00
inode.c	ext4: avoid exposure of stale data in ext4_punch_hole()	2014-02-20 16:58:05 -05:00
ioctl.c	ext4: clean up error handling in swap_inode_boot_loader()	2014-02-17 20:44:36 -05:00
Kconfig	ext4: fix Kconfig documentation for CONFIG_EXT4_DEBUG	2013-04-21 20:32:03 -04:00
Makefile	ext4: Remove CONFIG_EXT4_FS_XATTR	2012-12-10 16:30:43 -05:00
mballoc.c	ext4: remove unused ac_ex_scanned	2014-02-20 13:32:10 -05:00
mballoc.h	ext4: remove unused ac_ex_scanned	2014-02-20 13:32:10 -05:00
migrate.c	ext4: Fix misspellings using 'codespell' tool	2013-08-28 14:40:12 -04:00
mmp.c	ext4: use prandom_u32() instead of get_random_bytes()	2013-11-08 00:14:53 -05:00
move_extent.c	ext4: remove an unneeded check in mext_page_mkuptodate()	2014-02-17 20:46:40 -05:00
namei.c	Bug fixes and cleanups for ext4. We also enable the punch hole	2014-01-28 08:54:16 -08:00
page-io.c	block: Abstract out bvec iterator	2013-11-23 22:33:47 -08:00
resize.c	ext4: fix online resize with a non-standard blocks per group setting	2014-02-15 22:42:25 -05:00
super.c	ext4: Add __init marking to init_inodecache	2014-02-17 20:34:53 -05:00
symlink.c	ext4: Remove CONFIG_EXT4_FS_XATTR	2012-12-10 16:30:43 -05:00
truncate.h	ext4: move common truncate functions to header file	2011-06-27 19:16:04 -04:00
xattr_security.c	Merge branch 'for_linus' into for_linus_merged	2012-01-10 11:54:07 -05:00
xattr_trusted.c	ext2/3/4: delete unneeded includes of module.h	2012-01-09 13:52:10 +01:00
xattr_user.c	ext2/3/4: delete unneeded includes of module.h	2012-01-09 13:52:10 +01:00
xattr.c	ext4: don't calculate total xattr header size unless needed	2014-02-19 20:15:21 -05:00
xattr.h	ext2/3/4: use generic posix ACL infrastructure	2014-01-25 23:58:19 -05:00